WO2017097491A1 - Capteur de gaz - Google Patents

Capteur de gaz Download PDF

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Publication number
WO2017097491A1
WO2017097491A1 PCT/EP2016/075773 EP2016075773W WO2017097491A1 WO 2017097491 A1 WO2017097491 A1 WO 2017097491A1 EP 2016075773 W EP2016075773 W EP 2016075773W WO 2017097491 A1 WO2017097491 A1 WO 2017097491A1
Authority
WO
WIPO (PCT)
Prior art keywords
protective tube
gas
gas sensor
inner protective
housing
Prior art date
Application number
PCT/EP2016/075773
Other languages
German (de)
English (en)
Inventor
Karel VACHA
Martin Buchholz
Simon Rentschler
Sebastian Schulte Am Huelse
Alan Celic
Christopher Holzknecht
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to EP16787441.1A priority Critical patent/EP3387418A1/fr
Priority to US15/775,081 priority patent/US20180321125A1/en
Priority to RU2018124490A priority patent/RU2018124490A/ru
Priority to BR112018011077-9A priority patent/BR112018011077A2/pt
Priority to CN201680071586.8A priority patent/CN108369207A/zh
Priority to KR1020187015478A priority patent/KR20180091002A/ko
Priority to JP2018529289A priority patent/JP2018536860A/ja
Publication of WO2017097491A1 publication Critical patent/WO2017097491A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4077—Means for protecting the electrolyte or the electrodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/245—Housings for sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment

Definitions

  • a gas sensor for determining at least one constituent or at least one property of a measuring gas is already known from the prior art.
  • the gas sensor known from EP 0 978 721 B1 comprises a detection element with a front section; a detection section of the front portion of
  • Detection element is formed; and a protector covering the detection section; wherein the protector has a first portion and a second portion radially outward of the first portion, the first portion having a sidewall with a first gas inlet, the sidewall having an axial forward end and a tapered portion, of which the tapered portion is formed the axial front end of the side wall is formed; where at least a second
  • Side gas inlet is formed in a side wall portion of the second portion and a first gas outlet is formed in the first portion, wherein the at least one second side gas inlet is disposed at a location radially opposite to the tapered portion; and wherein a second gas outlet is formed in the second portion, wherein the first gas outlet is formed in a front end surface of the second portion, and wherein the second gas outlet is formed in a front end surface of the second portion, wherein the tapered portion of the first portion in FIG Shape of a truncated cone is formed, which is connected to the front end of a cylindrical body.
  • the present invention is based on the desire for a gas sensor that simultaneously realizes as well as possible a number of properties which were previously regarded as conflicting with one another.
  • the sensor function and the heatability as well as the dynamics of the gas sensor should be independent of its orientation about its longitudinal axis when it is exposed to a lateral flow of sample gas.
  • the gas sensor should also be robust to particles contained in the measurement gas, such as water droplets and / or soot particles.
  • the gas sensor should also have a high degree of dynamics, that is, it should rapidly provide a correspondingly changed signal when the concentration of the component of the measuring gas changes or when the property of the measuring gas changes.
  • the gas sensor according to the invention with the features of claim 1 is able to do this.
  • the gas sensor according to the invention has a housing, which in turn for example has a thread and an external hexagon, so that the gas sensor with its distal end ahead in a receiving socket of an exhaust tract of a
  • a sensor element is installed in the housing. It may be, for example, a planar or rod-shaped, sintered, ceramic sensor element of a
  • Exhaust gas sensor for example, an oxygen sensor or a NOx sensor or a particulate sensor, which is basically known from the prior art.
  • the housing has an inner bore, in which the sensor element is held by a sealing device, which consists for example of steatite and / or boron nitride.
  • the sensor element is, for example, in both longitudinal directions over the
  • the sensor element has a gas-sensitive end section which has, for example, at least one electrode of an electrochemical cell or one
  • Interdigital electrode has. This gas-sensitive end section protrudes distally from the housing and the sealing device along the longitudinal direction of the gas sensor and is therefore exposed to the measuring gas.
  • the gas-sensitive end portion of the sensor element is covered with a protective tube module fixed to the housing, so that the measurement gas does not interact directly, but in a manner with the sensor element, which by the geometry and Arrangement of the protective tube module is defined.
  • the protective tube module can be fixed, for example, by a circumferential weld on the housing.
  • the protective tube module has an inner protective tube and an outer protective tube, wherein the inner protective tube surrounds the gas-sensitive end portion of the sensor element with radial and axial distance and further encloses an inner space and wherein the
  • Outer protective tube surrounds the inner protective tube and also a between the
  • the outer protective tube Surrounds outer protective tube and formed in the inner protective tube outside.
  • the outer protective tube has at least one inlet opening.
  • the at least one inlet opening is to be understood as an inlet opening, if there is only one inlet opening, alternatively all inlet openings should be understood if there are several inlet openings.
  • the outer protective tube also has at least one outlet opening.
  • the at least one outlet opening is to be understood to mean the one outlet opening, if there is only one outlet opening, alternatively all the outlet openings should be understood if there are several outlet openings.
  • the inner protective tube also has at least one inlet opening and at least one outlet opening. This is to be understood in accordance with the meaning of the above for the at least one inlet opening and the at least one outlet opening of the outer protective tube. Determining whether an opening of the outer protective tube an inlet opening or a
  • the at least one outlet opening is arranged distally in the longitudinal direction of the at least one inlet opening and / or that the at least one outlet opening is arranged in the radial direction inside the at least one inlet opening.
  • the at least one inlet opening and / or the at least one outlet opening may each comprise a plurality of openings. The indicated relation then applies to each entrance opening with respect to each exit opening.
  • inlet openings and outlet openings represent which flows form in a gas sensor according to the invention which is exposed to an external lateral gas flow whose flow velocity is greater in the region of the distal end of the gas sensor than in a further proximal region of the gas sensor.
  • Exhaust tract of an internal combustion engine is screwed in accordance with the rules, ie without cutting a central axis of a line of the exhaust tract.
  • measuring gas enters through the at least one inlet opening of the outer protective tube into the protective tube module and into the outer space.
  • the at least one inlet opening of the outer protective tube has a swirl element, in the case of a plurality of inlet openings of the outer protective tube, in particular, each has
  • Measuring gas which can also be referred to as the main flow, thus follows the vortex to the at least one outlet opening of the outer protective tube, where it leaves the protective tube module.
  • Any massive particles present in the exhaust such as
  • Water droplets and / or soot are in this way conveyed along the outer protective tube in the distal direction to the outlet opening of the outer protective tube and there excreted from the protective tube module, without ever interacting in a potentially damaging manner with the gas-sensitive end portion of the sensor element.
  • the vortex formed around the longitudinal axis of the gas sensor moreover has the effect that a static pressure is lower in its interior than in its outer regions.
  • this causes in particular a pressure gradient, according to a relative overpressure in the region of the inlet openings of the inner protective tube and a relative negative pressure in the region of the outlet opening of the inner protective tube.
  • the pressure gradient in particular drives a corresponding flow through the inner protective tube, which conveys measuring gas to the gas-sensitive end section of the sensor element.
  • This flow through the inner protective tube in particular represents a bypass flow to the main flow, which branches off from the main flow in the outer space after a, in particular comparatively short, flow path meets the gas-sensitive end section of the sensor element and after passing through the interior and re-entering the exterior
  • the housing protrudes distally in the longitudinal direction by an interior longitudinal extent and that the external longitudinal extent is at least twice as large as the interior longitudinal extent.
  • the result is a correspondingly large extent of the outer space, in which the turbulence undisturbed by the inner protective tube can form freely and largely unhindered.
  • the at least one second side gas inlet is disposed at a location radially opposite the tapered portion, substantially only for the formation of a rotating gap flow with correspondingly high friction losses.
  • Inner protective tube and the outlet opening of the inner protective tube drives and the vortex formed in the outer space is formed predominantly in a spatial region of the outer space, seen from the interior of the housing completely in
  • the formation of the vortex is supported by the arrangement of the openings of the inner protective tube and the outer protective tube, when all openings of the outer protective tube, so the at least one inlet opening and the at least one outlet opening of the Outside protection tube, distal of all openings of the inner protective tube, that are distally disposed at least one inlet opening and distal of the at least one outlet opening of the inner protective tube.
  • the inlet openings of the outer protective tube can by a plurality of
  • Cloak surface of the outer protective tube can be arranged. They can thus form a perforated ring, in which the openings are arranged at equal distances to their nearest neighbors. For example, six or eight openings may be provided. It can be provided that each inlet opening has a swirl element, in particular a swirl flap.
  • the swirl flaps can be made by creating a straight cut in the outer protective tube and then pressing in or pushing out the portion of the outer protective tube adjacent to the cut.
  • the swirl flaps Preferably, have a shape such that a flow entering the outer protective tube essentially rests only tangentially on the outer protective tube and a radial flow component is only slight. This can be achieved in that the swirl flaps, viewed from the outside, are convexly shaped in a first area spaced from the intersection and are concave in a second area facing the intersection.
  • a strong flow in particular a strong main flow, in the outer protective tube can be assisted by the swirl flap or the
  • Swirl flaps are aligned in the distal longitudinal direction, i. give the incoming flow a velocity component in that direction.
  • the swirl flap or swirl flaps may be oriented so that the direction of the incoming flow bisects the angle between the tangential and axial directions (45 °).
  • the inner protective tube may be arranged closely on the sensor element. In particular, with a heated sensor element and compared to cool exhaust gas, the inner protective tube heats up in this way particularly strong and as a result, there is a reduced input of soot in the inner protective tube due to
  • thermophoretic effect The close concern can be quantitatively expressed in that the distance in the longitudinal direction of the gas-sensitive end section in the
  • Inner protective tube is not more than 15% of the external longitudinal extent.
  • the vortex in the outer protective tube can be formed even better when, in the region between the at least one inlet opening of the outer protective tube and the at least one outlet opening of the outer protective tube, the outer protective tube is arched in the distal direction and thereby spherically tapered.
  • the outer protective tube curves over into the outlet opening of the outer protective tube without the outer protective tube having an end face in the true sense at its distal end.
  • Soot particles or droplets that run along the outer protective tube in the distal direction are soot particles or droplets that run along the outer protective tube in the distal direction
  • Fig. 2 shows the gas sensor according to the invention when properly installed in an exhaust pipe
  • FIG. 3 shows schematically the gas flows forming in the protective tube module of the gas sensor from FIG. 1 when mounted as intended in accordance with FIG. 2
  • FIG. 1 shows a gas sensor according to the invention, for example a gas sensor
  • the gas sensor has a housing 11.
  • a ceramic sensor element 14 is defined by a seal 15, which consists for example of steatite and / or boron nitride.
  • a seal 15 which consists for example of steatite and / or boron nitride.
  • a Gas-sensitive end portion 141 of the sensor element 14 along a longitudinal direction 78 of the gas sensor 1 distally forth and is exposed to a sample gas.
  • a protective tube module 20 is fixed by welding, so that it covers the gas-sensitive end portion 141.
  • the protective tube module 20 has an inner protective tube 21 and an outer protective tube 22.
  • the inner protective tube 21 encloses the gas-sensitive end portion 141 with radial and axial distance. Between the inner protective tube 21 and the housing 11, an inner space 121 is thus formed, in which the gas-sensitive end portion 141 is located.
  • the distance a between the sensor element 14 and the inner protective tube 21 in the axial direction is only 1 mm in the example, so that the inner protective tube 21 also heats up when the sensor element 14 is heated, which has the advantage that a deposit of particles,
  • soot particles is suppressed on the inner protective tube 21 or on the sensor element 14 by thermophoresis.
  • the interior 121 projects beyond the housing 11 distally in the longitudinal direction 78 by one
  • the housing area 121 'of the interior 121 distally projecting the housing 11 in the longitudinal direction 78 has the shape of a straight truncated cone 30 tapering in the distal direction.
  • the top surface 31 of the truncated cone 30 is approximately half the base area 32 of the truncated cone 30.
  • the height H of the truncated cone 30 is smaller than the diameter d of the top surface 31.
  • the lateral surface 33 of the truncated cone 30 is inclined by an angle ⁇ against the longitudinal direction 78, which in the example is 23 °.
  • the inner protective tube 21 has on its lateral surface 213 a perforated ring of
  • 10 inlet openings 211 which are arranged at the same axial height and at equal distances from each other and are dominated by the gas-sensitive end portion 141 in the longitudinal direction 78 distally.
  • the inner protective tube 21 has on his
  • End face which forms its distal end 214, a plurality of outlet openings 212.
  • the outer protective tube 22 encloses the inner protective tube 21, so that an outer space 122 is formed between the outer protective tube 22 and in the inner protective tube 21 in the interior of the protective tube module 20.
  • the outer protective tube 22 has 8 inlet openings 221 on the outer surface 223 of the outer protective tube 22 at the same axial height and are arranged at equal distances from each other on a perforated ring.
  • Inlet openings 221 are arranged distally of the inner protective tube 21 in the longitudinal direction.
  • the inlet openings 221 have swirl elements 221a which point at 45 ° to the tangent to the outer protective tube obliquely in the distal direction, ie away from the housing 11.
  • the swirl elements are for example by creating a straight cut in
  • the swirl flaps 221a are convexly shaped in the portion spaced from the cut and concave in the cut-facing portion, as viewed from the outside, respectively
  • the outer protective tube 22 has a single outlet opening 222, which is arranged centrally at the distal end 224 of the outer protective tube 22. In the area between the
  • the outer protective tube 22 is curved in the distal direction and thereby tapers in a spherical shape. At its distal end 224, the outer protective tube 22 merges into the single outlet opening 222 of the outer protective tube 22, without the
  • Outer protective tube 22 at its distal end 224 has an end face in the true sense.
  • the outer space 122 projects beyond the housing 11 in the longitudinal direction 78 by one
  • External longitudinal extension l ex which in the example is 15 mm.
  • Gas sensors 1 of the type in question are in particular as intended in an exhaust pipe 2, for example an internal combustion engine, mounted, in such a way that they are from the exhaust laterally, so perpendicular to the longitudinal direction 78 of the gas sensor, flows. Even deviations from an exactly vertical flow, for example, up to 8 ° are possible and generally well tolerated in the proposed design.
  • Exhaust gas sensor 1 formed outlet opening 222 of the outer protective tube 22 is greater than a flow velocity v, n in the region of the inlet openings 221 of the
  • Inlet openings 221 and the outlet opening 222 of the outer protective tube 22 forms within the outer protective tube 22 a gradient of the static pressure, which is a flow through the outer protective tube 22 from the inlet openings 221 to the
  • the measurement gas enters with a tangential velocity component in the exterior space 122.
  • a total of one vortex of the measurement gas is formed about the longitudinal axis 78 of the gas sensor.
  • the vortex is shown in dashed lines in FIG.
  • the measuring gas flows along a
  • Main flow 3 on spiral tracks one of which is shown in Figure 3, from the inlet openings 221 to the outlet opening 222 of the outer protective tube.
  • the vortex is formed predominantly in a space region 122 'of the outer space 122, which is arranged completely distal to the inner space 121. The formation of the vortex is thus largely undisturbed by the inner protective tube 21.
  • massive particles such as soot particles and / or water droplets, pass through the outer protective tube 22 driven by the main flow 3 and its inertia on a spiral path along the inner surface of the outer protective tube 22.
  • the formation of the vortex in the outer space 122 has the further effect that a static pressure in its interior, near the longitudinal axis 78 of the gas sensor, is less than a static pressure in the outer region.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Dispersion Chemistry (AREA)

Abstract

L'invention concerne un capteur de gaz pour déterminer au moins un composant ou au moins une caractéristique d'un gaz à mesurer, en particulier d'un gaz d'échappement d'un moteur à combustion interne, comprenant un élément de détection (14) monté dans un boîtier (11), lequel élément de détection comprend une partie d'extrémité (141) sensible aux gaz exposée au gaz à mesurer et faisant saillie de manière distale à partir du boîtier (11) le long d'une direction longitudinale (78) du capteur de gaz (1), comprenant un module tube de protection (20) fixé au boîtier (11) et recouvrant la partie d'éxtrémité (141) sensible aux gaz, le module tube de protection (20) comprenant un tube de protection intérieur (21) entourant la partie d'extrémité (141) à une distance radiale et axiale, de telle sorte qu'un espace intérieur (121) soit formé entre le boîtier (11) et le tube de protection intérieur (21), espace intérieur dans lequel se trouve la partie d'extrémité (141) sensible aux gaz, le module tube de protection (20) comprenant un tube de protection extérieur (22) entourant le tube de protection intérieur (21), de telle sorte qu'un espace extérieur (122) soit formé entre le tube de protection extérieur (22) et le tube de protection intérieur (21) à l'intérieur du module tube de protection (20), le tube de protection extérieur (22) comprenant au moins une ouverture d'entrée (221) pour l'entrée de gaz à mesurer dans l'espace extérieur (121), ladite au moins une ouverture d'entrée (221) du tube de protection extérieur (22) comprenant au moins un élément de tourbillonnement (221a) pour produire un tourbillon (rot) autour de l'axe longitudinal (78) dans l'espace extérieur (122) et le tube de protection extérieur (22) comprenant en outre au moins une ouverture de sortie (222) pour la sortie de gaz à mesurer à partir de l'espace extérieur (122) hors du module tube de protection (20), le tube de protection intérieur (21) comprenant au moins une ouverture d'entrée (211) pour l'entrée de gaz à mesurer à partir de l'espace extérieur (122) dans l'espace intérieur (121), caractérisé en ce que l'espace extérieur (122) dépasse de manière distale du boîtier (11) dans la direction longitudinale (78) d'une étendue longitudinale d'espace extérieur (lex), et en ce que l'espace intérieur (121) dépasse de manière distale du boîtier (11) dans la direction longitudinale (78) d'une étendue longitudinale d'espace intérieur (lin), et en ce que l'étendue longitudinale de l'espace extérieur (lex) est au moins égale à deux fois l'étendue longitudinale de l'espace intérieur (lin).
PCT/EP2016/075773 2015-12-07 2016-10-26 Capteur de gaz WO2017097491A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP16787441.1A EP3387418A1 (fr) 2015-12-07 2016-10-26 Capteur de gaz
US15/775,081 US20180321125A1 (en) 2015-12-07 2016-10-26 Gas sensor
RU2018124490A RU2018124490A (ru) 2015-12-07 2016-10-26 Газовый датчик
BR112018011077-9A BR112018011077A2 (pt) 2015-12-07 2016-10-26 sensor de gás
CN201680071586.8A CN108369207A (zh) 2015-12-07 2016-10-26 气体传感器
KR1020187015478A KR20180091002A (ko) 2015-12-07 2016-10-26 가스 센서
JP2018529289A JP2018536860A (ja) 2015-12-07 2016-10-26 ガスセンサ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015224460.1 2015-12-07
DE102015224460.1A DE102015224460A1 (de) 2015-12-07 2015-12-07 Gassensor

Publications (1)

Publication Number Publication Date
WO2017097491A1 true WO2017097491A1 (fr) 2017-06-15

Family

ID=57206284

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/075773 WO2017097491A1 (fr) 2015-12-07 2016-10-26 Capteur de gaz

Country Status (9)

Country Link
US (1) US20180321125A1 (fr)
EP (1) EP3387418A1 (fr)
JP (1) JP2018536860A (fr)
KR (1) KR20180091002A (fr)
CN (1) CN108369207A (fr)
BR (1) BR112018011077A2 (fr)
DE (1) DE102015224460A1 (fr)
RU (1) RU2018124490A (fr)
WO (1) WO2017097491A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019107262A1 (fr) * 2017-11-29 2019-06-06 株式会社デンソー Dispositif de type capteur
WO2019107257A1 (fr) * 2017-11-29 2019-06-06 株式会社デンソー Dispositif de type capteur
JP2019101018A (ja) * 2017-11-29 2019-06-24 株式会社デンソー センサ装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017215689B4 (de) * 2017-09-06 2023-01-05 Emisense Technologies Llc Partikelsensor für eine Brennkraftmaschine
DE102017215798A1 (de) * 2017-09-07 2019-03-07 Continental Automotive Gmbh Partikelsensor mit Umlenkelement
DE102019202150A1 (de) * 2019-02-18 2020-08-20 Robert Bosch Gmbh Lambdasonde
US11480499B2 (en) * 2019-12-02 2022-10-25 Hyundai Motor Company Sensor tube structure that supresses carbon deposition
US20220235688A1 (en) * 2021-01-25 2022-07-28 Ford Global Technologies, Llc Exhaust gas sensor assembly
DE102022000806A1 (de) 2021-03-31 2022-10-06 Ngk Insulators, Ltd. Sensor
KR102632114B1 (ko) 2021-06-29 2024-02-02 주식회사 인지시스템 외부 삽입 설치형 센서 하우징

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0978721A1 (fr) * 1998-08-05 2000-02-09 Ngk Spark Plug Co., Ltd Capteur de gaz
JP2001099807A (ja) * 1999-07-23 2001-04-13 Ngk Spark Plug Co Ltd ガスセンサ
DE102012211039A1 (de) * 2012-06-27 2014-01-02 Robert Bosch Gmbh Gassensor
DE112013006150T5 (de) * 2012-12-20 2015-09-03 Robert Bosch Gmbh Einlass-Gassensor mit einem Wirbel für einen Verbrennungsmotor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0978721A1 (fr) * 1998-08-05 2000-02-09 Ngk Spark Plug Co., Ltd Capteur de gaz
JP2001099807A (ja) * 1999-07-23 2001-04-13 Ngk Spark Plug Co Ltd ガスセンサ
DE102012211039A1 (de) * 2012-06-27 2014-01-02 Robert Bosch Gmbh Gassensor
DE112013006150T5 (de) * 2012-12-20 2015-09-03 Robert Bosch Gmbh Einlass-Gassensor mit einem Wirbel für einen Verbrennungsmotor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KEISUKE MAKINO ET AL: "GAS SENSOR", JP2001099807, ENGLISH MACHINE TRANSLATION, 13 April 2001 (2001-04-13), pages 1 - 16, XP055332379, Retrieved from the Internet <URL:https://www4.j-platpat.inpit.go.jp/eng/tokujitsu/tkbs_en/TKBS_EN_GM101_Top.action> [retrieved on 20170105] *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019107262A1 (fr) * 2017-11-29 2019-06-06 株式会社デンソー Dispositif de type capteur
WO2019107257A1 (fr) * 2017-11-29 2019-06-06 株式会社デンソー Dispositif de type capteur
JP2019101018A (ja) * 2017-11-29 2019-06-24 株式会社デンソー センサ装置
JP2019100776A (ja) * 2017-11-29 2019-06-24 株式会社デンソー センサ装置
CN111417849A (zh) * 2017-11-29 2020-07-14 株式会社电装 传感器装置
CN111417849B (zh) * 2017-11-29 2023-04-28 株式会社电装 传感器装置

Also Published As

Publication number Publication date
US20180321125A1 (en) 2018-11-08
EP3387418A1 (fr) 2018-10-17
DE102015224460A1 (de) 2017-06-08
CN108369207A (zh) 2018-08-03
KR20180091002A (ko) 2018-08-14
BR112018011077A2 (pt) 2018-11-21
JP2018536860A (ja) 2018-12-13
RU2018124490A (ru) 2020-01-09

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